/u/GeneReddit123's posts in /r/askscience

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We move 600km/s relative to the CMB. This is 20 times faster than the Earth moves around the sun. What caused our galaxy to gain so much velocity?

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Can element decay rate be changed by the Casimir effect?

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Can the Speed of Light be thought of as the "Speed of Sound of Spacetime"?

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Is the universe expanding only inflationary, or also kinetically?

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If the universe is uniformly expanding faster than the speed of light, why haven't atoms been torn apart?

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Some people can see visible light from 380nm to 800nm. Would they see 390nm and 780nm as "similar" due to being double the frequency, just as humans can tell a similar "C" pitch in different octaves?

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If you accelerated towards the colder side of the CMB until it became the same temperature in all directions, and then continued moving, would you eventually arrive at a sector of the universe where you are at rest relative to the matter around you? Would that place be "the center of the Universe"?

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Can we use galactic (Sun-Galactic orbit) parallax to measure larger distances than possible with stellar (Earth-Solar orbit) parallax?

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Can a planet's gravity be sufficiently high that chemical rockets with a given specific impulse can never leave the planet?

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Can frame dragging be explained by gravitational waves?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
We move 600km/s relative to the CMB. This is 20 times faster than the Earth moves around the sun. What caused our galaxy to gain so much velocity?	1
Can element decay rate be changed by the Casimir effect?	1
Can the Speed of Light be thought of as the "Speed of Sound of Spacetime"?	1
Is the universe expanding only inflationary, or also kinetically?	1
If the universe is uniformly expanding faster than the speed of light, why haven't atoms been torn apart?	1
Some people can see visible light from 380nm to 800nm. Would they see 390nm and 780nm as "similar" due to being double the frequency, just as humans can tell a similar "C" pitch in different octaves?	1
If you accelerated towards the colder side of the CMB until it became the same temperature in all directions, and then continued moving, would you eventually arrive at a sector of the universe where you are at rest relative to the matter around you? Would that place be "the center of the Universe"?	1
Can we use galactic (Sun-Galactic orbit) parallax to measure larger distances than possible with stellar (Earth-Solar orbit) parallax?	1
Can a planet's gravity be sufficiently high that chemical rockets with a given specific impulse can never leave the planet?	1
Can frame dragging be explained by gravitational waves?	1